40055101TH Rev.4 149 /3.3 Boards and Units3.3.1 OKIOFFICE44/OKIFAX 4100 Boards and UnitsThe following five boards, Main control board, Memory board (option), Telephone interface board(option), PC interface board (option) and three units constitute the OKIOFFICE44/OKIFAX 4100 fac-simile transceiver machine.• Main control board MCNT: (R44)• Network control unit board NCU: (UNC; WN5, DN5; FN5)• Memory board (option) MEM: (MEM; 1MB)• Telephone interface board (option) TEL: (TEL-U, TEL-W1, TEL-W2, TEL-W2D,NTIF, HOOK, 10 KEY,)• PC interface board (option) Bi-Centro I/F: (CTR)• Operation panel assembly unit OPE: (O4W)• Power supply unit POW UNIT: (TLHV or OLHV, 048 POW;120V/230V)• Printer unitFigure 3.3.1 shows the related drawing of OKIOFFICE44/OKIFAX 4100 facsimile transceiver.3.3.2 OKIFAX 5000 Series Boards and UnitsThe following three boards, Memory board (option), Telephone interface board (option), PC interfaceboard (option) and three units constitute the OKIFAX 5000 series facsimile transceiver machine.• Main control board MCNT: (M17; OKIFAX 5000 series)• Modem board MODEM: (MODE; 28.8kbps)(for OKIFAX 5500/5600)• Network control unit board NCU: (UNC; WN5, DN5; FN5)• Memory board (option) MEM: (MEM; 1/2MB for OKIFAX 5000 series)• Telephone interface board (option) TEL: (TEL-U, TEL-W1, TEL-W2, TEL-W2D,NTIF, HOOK, 10 KEY,)• PC interface board (option) Bi-Centro I/F: (CTR)• 2nd tray interface board (option) 2ND TRAY I/F: (TQSB)• Operation panel assembly unit OPE: (O5W)• Power supply unit POW UNIT: (120/230, SPSU;120V/230V)• Printer unitFigure 3.3.2 shows the related drawing of OKIFAX 5000 series facsimile transceiver.Note: The contact image sensor and electromagnetically driven parts compose the so-called Scan Unit.
